form {
    margin: 0 auto;
    width: 300px;
}
input[type="text"] {
    width: 100%;
    padding: 5px;
    margin-bottom: 10px;
}
input[type="password"] {
    width: 100%;
    padding: 5px;
    margin-bottom: 10px;
}

input[type="submit"] {
    width: 100%;
    padding: 5px;
    background-color: #4CAF50;
    color: white;
    border: none;
    cursor: pointer;
}
input[type="submit"]:hover {
    background-color: #45a049;
}
a {
    text-decoration: none;
    color: #0000ff;
}
a:hover {
    color: #ff0000;
}